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7108 Aluminum vs. EN 2.4851 Nickel

7108 aluminum belongs to the aluminum alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7108 aluminum and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 210
430
Tensile Strength: Ultimate (UTS), MPa 350
650
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 210
1200
Melting Completion (Liquidus), °C 630
1360
Melting Onset (Solidus), °C 530
1310
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
49
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
170
Resilience: Unit (Modulus of Resilience), kJ/m3 620
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 34
22
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 59
2.9
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
21 to 25
Copper (Cu), % 0 to 0.050
0 to 0.5
Iron (Fe), % 0 to 0.1
7.7 to 18
Magnesium (Mg), % 0.7 to 1.4
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Nickel (Ni), % 0
58 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.050
0 to 0.5
Zinc (Zn), % 4.5 to 5.5
0
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0 to 0.15
0